VANDENBERG AIR FORCE BASE, CALIF. - One of four Solid Rocket Boosters for the CALIPSO/CloudSat launch is raised off the transporter to a vertical position. It will be lifted into the mobile service tower, or gantry, and attached to the Boeing Delta II rocket. CALIPSO stands for Cloud-Aerosol Lidar & Infrared Pathfinder Satellite Observation. CALIPSO and CloudSat are highly complementary satellites and together will provide never-before-seen 3-D perspectives of how clouds and aerosols form, evolve, and affect weather and climate. CALIPSO and CloudSat will fly in formation with three other satellites in the A-train constellation to enhance understanding of our climate system. Launch of CALIPSO/CloudSat aboard a Boeing Delta II rocket is scheduled for 3:01 a.m. Sept. 29.